If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. Update your iPhone or iPad to the latest version of iOS. … Remove your SIM card from the SIM card tray and then put the SIM card back.
Why is my phone saying there is no SIM card?
Some possible causes could be that you didn’t insert the SIM card correctly or your Android device is experiencing a software issue. Whatever the reason, a solution needs to be found quickly when your phone says: “No SIM card detected.”
What to do if SIM stops working?
Troubleshooting SIM card problems
- Turn off your phone and remove the SIM card.
- Clean the gold connectors on the SIM with a clean lint-free cloth.
- Replace the battery and turn your phone on without the SIM.
- Turn your phone off, replace the SIM and restart the phone.
Where is the SIM card on my iPhone?
Locate the SIM tray
The SIM tray is located on the right side of the device. To insert a SIM card, insert a SIM tool into the small hole to eject the SIM tray.
How do I clean my SIM card on my phone?
Clean the SIM card by blowing off dust, or use a soft cloth to carefully remove any residue from the gold contact area (don’t use soap or anything abrasive). Place the SIM card chip-side down into the tray and slide it back inside. If inserted correctly, the tray should go in easily. Restart your phone.
What happens if you switch SIM cards in iphones?
Answer: A: Answer: A: If you change it for a SIM from the same carrier, nothing happens, the device continues working as before. If you change it for a SIM from another carrier and the phone is locked to the original, then it will work as a fancy iPod, none of the phone capabilities will be available.
How do you fix SIM lock on iPhone?
Of course, you don’t want to lock yourself out, but this is how it happens.
- Launch Settings on your iPhone.
- Tap Cellular. Source: iMore.
- Select SIM PIN.
- Tap the toggle to turn SIM PIN to OFF. …
- If you fail the three attempts, your iPhone will ask for a PUK Code, which you can only obtain by calling your carrier.
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Can I unlock my phone myself?
The simplest way to unlock your device is to ring your provider and ask for a Network Unlock Code (NUC). Most will provide you with one and some even do it for free once your contract is up. … Your phone company may be able to unlock the handset remotely. There are other unlocking options available.
How can I get back my SIM card rejected?
Call your cellular service provider’s customer support line for assistance if the message instead changes to “PUK Lock.” The customer service representative will provide you with the correct PUK code for your phone.
Why is my SIM card not working iPhone?
Remove your SIM card from the SIM card tray and then put the SIM card back. … Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.
How do I know if my SIM card is bad?
If you encounter any of the issues listed below then you might have a SIM card that is not working properly anymore.
- Calls being interrupted, or messages delayed.
- Pin code requested without rebooting the phone.
- Sound quality decreasing.
- Battery life reduced.
- Phone getting warm.
Where is my SIM card on my phone?
On Android phones, you can usually find the SIM card slot in one of two places: under (or around) the battery or in a dedicated tray along the side of the phone.
What does no SIM mean for iPhone?
If your iPhone is displaying a No SIM Card Installed error, then you can’t connect to your wireless carrier’s network. This means you can’t use your wireless data over 4G or 5G, and that you can’t make or receive calls.
What happens if you take out your SIM card and put it in another phone?
It contains all your contacts and settings, and it’s linked to your account. You can take the SIM card out, put it into another phone, and if someone calls your number, the new phone will ring. … The SIM card won’t work in other phones, and the phone won’t work with other SIM cards.